Good idea: It'll get rid of frivolous lawsuits.
Using improperly equipped cheap angle grinders in mechanisms designed to cause the grinding/cutting wheel to shatter violently in a known trajectory meant for maiming, all automated, as part of your home security measures as countermeasures against intruders.
We'll murder them all, amid laughter and merriment...except for the few we take home to experiment!
"I cant see S***! --YOU GO TO HELL!" --Tourettes guy